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Avatar of Larry Husten, PHD

Nonobstructive Coronary Artery Disease Linked to Elevated Risk (4 Nov 2014)

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A large number of people who undergo elective coronary angiography are found to have nonobstructive coronary artery disease, and these patients have significantly increased risk for myocardial infarction and death, according to a retrospective study published in JAMA. Thomas Maddox and colleagues analyzed data from nearly 38,000 elective angiography patients in the VA health system. More…

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Avatar of Jean-Pierre Usdin, MD

Case: When an “Inappropriate” Stress Test Might Be Appropriate (27 Oct 2014)

Cardiology Case Discussion

Jean-Pierre Usdin, MD and James Fang, MD

Jean-Pierre Usdin presents the case of a 58-year-old man with well-treated hypertension who experiences an ST-segment-elevation MI shortly after a stress test he had requested to clear him for exercise.

Avatar of Larry Husten, PHD

Genetic Study Suggests Possible Causal Role for LDL in Aortic Valve Disease (26 Oct 2014)

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Although LDL is an important risk factor for aortic valve disease, the precise role it plays has been uncertain. Lipid-lowering therapy in people with established aortic valve disease has not been shown to be beneficial. Now, however, a new genetic study published in JAMA suggests that LDL cholesterol may in fact cause an increase in aortic…

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Are We Conducting Too Many Cardiac Stress Tests with Imaging? (20 Oct 2014)

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Joseph A. Ladapo, MD, PhD

Joseph A. Ladapo discusses his study of the use (and overuse) of cardiac stress testing in the United States.

Avatar of Larry Husten, PHD

Inappropriate Cardiac Stress Tests May Cost Half a Billion Dollars a Year (14 Oct 2014)

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Inappropriate cardiac stress tests may cost the U.S. healthcare system as much as half a billion dollars each year, according to a new study published in the Annals of Internal Medicine. Joseph Ladapo and colleagues set out to analyze long-term trends in the use of cardiac stress testing in the U.S. Using data from national surveys, they…

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Avatar of Larry Husten, PHD

American Heart Association: Pay More Attention to Radiation in Imaging Procedures (29 Sep 2014)

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The American Heart Association is urging physicians to better understand the risks of radiation in cardiac imaging procedures. When ordering these procedures physicians should understand the appropriate use of each procedure, the radiation dose associated with the procedure, and the risks associated with that dose. Both the risks and benefits should be fully explained and discussed…

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Entrusting Imaging to Robotic Hands: The Potential of Remote Echocardiography and Tele-Consultation (31 Aug 2014)

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Jagat Narula, MD, DM, PhD, MACC, FAHA, FRCP

CardioExchange’s Harlan M. Krumholz interviews Dr. Jagat Narula about his research group’s study of remote, robot-assisted echocardiographic technology and its applications worldwide.

Avatar of Richard A. Lange, MD, MBA

Do FFR and IVUS Feed the Elephant? (11 Jul 2014)

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Richard A. Lange, MD, MBA and L. David Hillis, MD

Rick Lange and David Hillis wonder whether the debate about the role of FFR and IVUS in patient selection for PCI is a red herring in the larger issue of revascularization in patients with stable CAD.

Avatar of Larry Husten, PHD

Wide Range of Radiation Dose in Children Undergoing Cardiac Procedures (9 Jun 2014)

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Children with heart disease are at increased risk for developing cancer later in life due to their exposure to radiation during imaging procedures. Since an ever-growing number of children with heart disease now reach adulthood, this may become an increasingly important public health issue. A new study published in Circulation offers some reassurance in finding…

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Avatar of Andrew Einstein, MD, PhD

Patient-Centered Imaging: How Best to Communicate the Benefits and Risks of Testing (28 Apr 2014)

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Andrew Einstein, MD, PhD and John Ryan, MD

Andrew Einstein discusses his JACC paper on shared-decision making for cardiac imaging procedures that expose the patient to radiation.